<template>
  <div class="log">
    <basic-container>
      <avue-crud
        ref="crud"
        :page="page"
        :data="tableData"
        :table-loading="tableLoading"
        :option="tableOption"
        :permission="permissionList"
        @on-load="getList"
        @search-change="searchChange"
        @refresh-change="refreshChange"
        @size-change="sizeChange"
        @current-change="currentChange"
        @selection-change="selectionChange"
        @row-del="handleDel">
        <template slot="menuLeft">
          <div class="grid-content bg-purple">
            <el-button type="primary" icon="el-icon-del" @click="delBatch">批量删除</el-button>
          </div>
        </template>
      </avue-crud>
    </basic-container>
  </div>
</template>

<script>
  import {delObj, fetchList, removeBatch} from '@/api/admin/log'
  import {tableOption} from '@/const/crud/admin/log'
  import {mapGetters} from 'vuex'

  export default {
    name: 'Log',
    data() {
      return {
        tableData: [],
        searchForm: {},
        page: {
          total: 0, // 总页数
          currentPage: 1, // 当前页数
          pageSize: 20 // 每页显示多少条
        },
        tableLoading: false,
        selectedRow: [],
        tableOption: tableOption
      }
    },
    computed: {
      ...mapGetters(['permissions']),
      permissionList() {
        return {
          delBtn: this.vaildData(this.permissions.sys_log_del, false)
        }
      }
    },
    methods: {
      selectionChange(rows) {
        let selected = []
        rows.forEach(row => {
          selected.push(row.id)
        })
        this.selectedRow = selected;
      },
      delBatch() {
        const rows = this.selectedRow
        if (!rows.length) {
          this.$message.error('至少选择一条数据')
          return false
        }
        this.$confirm('是否确认删除' + rows.length + '条日志?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(function () {
          return removeBatch(rows)
        }).then(() => {
          this.getList(this.page)
          this.$message.success('删除成功')
        })
      },
      getList(page, params) {
        this.tableLoading = true
        fetchList(Object.assign({
          descs: 'created_time',
          current: page.currentPage,
          size: page.pageSize
        }, params, this.searchForm)).then(response => {
          this.tableData = response.data.data.records
          this.page.total = response.data.data.total
          this.tableLoading = false
        })
      },
      handleDel: function (row) {
        this.$confirm('是否确认删除ID为"' + row.id + '"的日志?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(function () {
          return delObj(row.id)
        }).then(() => {
          this.getList(this.page)
          this.$message.success('删除成功')
        })
      },
      searchChange(form, done) {
        this.searchForm = form
        this.page.currentPage = 1
        this.getList(this.page, form)
        done()
      },
      sizeChange(pageSize) {
        this.page.pageSize = pageSize
      },
      currentChange(current) {
        this.page.currentPage = current
      },
      refreshChange() {
        this.getList(this.page)
      }
    }
  }
</script>
